I replaced my alternator with a rebuilt one in august of last year, when i replaced it they recommended i replace the belt, i declined. yesterday my car wouldn't start i charged the battery and the car started. i popped the hood and it looked like the a belt was missing. my question is does the alternator have a seperate belt aside from the serpentine belt or are they the same. when my alternator failed last year i got a check charging system code, this time nothing. it leads me to believe its the belt. any help would be appreciated